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A026870 T(2n,n-4), T given by A026758. 0
1, 14, 125, 911, 5920, 35785, 205991, 1145389, 6208974, 33019048, 173020608, 896198760, 4599517316, 23431544274, 118650995097, 597852859509, 3000150410123, 15004346987002, 74827169741248, 372278740384010, 1848449139166668 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

LINKS

Table of n, a(n) for n=4..24.

CROSSREFS

Sequence in context: A222647 A041001 A025211 * A090296 A088625 A073393

Adjacent sequences:  A026867 A026868 A026869 * A026871 A026872 A026873

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 11 08:00 EDT 2021. Contains 342886 sequences. (Running on oeis4.)